small improvements

Signed-off-by: Robert Steiner <robert@flower.ai>

doc/source/contributor-how-to-build-docker-images.rst

@@ -104,22 +104,13 @@ Building the SuperLink/SuperNode or ServerApp image
      - Yes
      - :substitution-code:`|stable_flwr_version|-py3.11-ubuntu|ubuntu_version|`
 
-The following command creates either a SuperLink, SuperNode or ServerApp image with the official Flower
-base image:
-
-.. code-block:: bash
-
-   $ cd src/docker/<superlink|supernode|serverapp>/
-   $ docker build \
-     --build-arg BASE_IMAGE=<FLOWER-VERSION>-py<PY-VERSION>-<DISTRIBUTION and VERSION> \
-     -t flwr_superlink:0.1.0 .
 For example, to build a SuperLink image with the latest Flower version, Python 3.11 and Ubuntu 22.04, run the following:
 
 .. code-block:: bash
    :substitutions:
 
    $ cd src/docker/superlink
-   $ docker build \ 
+   $ docker build \
      --build-arg BASE_IMAGE=|current_flwr_version|-py3.10-ubuntu22.04 \
      -t flwr_superlink:0.1.0 .
 

doc/source/docker/tutorial-quickstart-docker.rst

@@ -294,8 +294,8 @@ Step 5: Run the Quickstart Project
 
       $ docker logs -f superexec
 
-Step 6: Update the Application Code
------------------------------------
+Step 6: Update the Application
+------------------------------
 
 #. Change the application code. For example, change the  ``seed`` in ``quickstart_docker/task.py``
    to ``43`` and save it:
@@ -350,17 +350,17 @@ Step 6: Update the Application Code
 Step 7: Clean Up
 ----------------
 
-#. Remove the containers and the bridge network:
+Remove the containers and the bridge network:
 
-   .. code-block:: bash
+.. code-block:: bash
 
-      $ docker stop $(docker ps -a -q  --filter ancestor=flwr_supernode:0.0.1) \
-         superexec \
-         superlink
-      $ docker network rm flwr-network
+   $ docker stop $(docker ps -a -q  --filter ancestor=flwr_supernode:0.0.1) \
+      superexec \
+      superlink
+   $ docker network rm flwr-network
 
 Where to Go Next
 ----------------
 
-* :doc:`Enabling TLS for secure connections <tls>`
-* :doc:`Persist the state of the SuperLink <persist-superlink-state>`
+* :doc:`tls`
+* :doc:`persist-superlink-state`